在pom.xml檔案中加入依賴

<parent>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-dependencies</artifactId>
	<version>選擇你自己的版本</version>
</parent>

<properties>
	<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
	<java.version>1.8</java.version>
	<!-- 編譯時的編碼 -->
	<maven.compiler.encoding>UTF-8</maven.compiler.encoding>
</properties>


<build>
	<!-- 打包設定 -->
	<plugins>
		<plugin>
			<groupId>org.apache.maven.plugins</groupId>
			<artifactId>maven-compiler-plugin</artifactId>
			<version>3.10.1</version>
			<configuration>
				<!-- jdk 1.8 編譯-->
				<source>${java.version}</source>
				<target>${java.version}</target>
				<!-- 字符集utf-8-->
				<encoding>${project.build.sourceEncoding}</encoding>
			</configuration>
		</plugin>
		<plugin>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-maven-plugin</artifactId>
			<!-- execution 重點一定要加 repackage-->
			<executions>
				<execution>
					<goals>
						<goal>repackage</goal>
					</goals>
				</execution>
			</executions>
		</plugin>
	</plugins>
</build>